248426669 has 4 divisors (see below), whose sum is σ = 249142944. Its totient is φ = 247710396.

The previous prime is 248426617. The next prime is 248426671. The reversal of 248426669 is 966624842.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248426669 is a prime.

It is a super-2 number, since 2×248426669² = 123431619740871122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248426699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357617 + ... + 358310.

It is an arithmetic number, because the mean of its divisors is an integer number (62285736).

Almost surely, 2^248426669 is an apocalyptic number.

It is an amenable number.

248426669 is a deficient number, since it is larger than the sum of its proper divisors (716275).

248426669 is an equidigital number, since it uses as much as digits as its factorization.

248426669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716274.

The product of its digits is 995328, while the sum is 47.

The square root of 248426669 is about 15761.5566807343. The cubic root of 248426669 is about 628.6362277426.

The spelling of 248426669 in words is "two hundred forty-eight million, four hundred twenty-six thousand, six hundred sixty-nine".